The professional services of a licensee shall not be controlled or exploited by any lay agency, personal or corporate, which intervenes between the client and the licensee. A licensee shall not allow a non-licensed person or entity to interfere or intervene with the licensee's practice; nor shall the licensee submit to such interference or intervention by a non-licensed person or entity. A licensee shall avoid all relationships which could result in interference or intervention in the licensee's practice by a non-licensed person or entity. A licensee shall be responsible for his or her own actions and is directly responsible to the client and for the care and treatment of the patient.